How old is Callum B?

Callum B was born on 10 December 2008.
Callum B is 17 years old.

How old is Callum B in days now?

Callum B is 17 years 7 months 6 days old.
Total 6,427 days old now.

When is the next birthday of Callum B?

Callum B's next birthday is in 4 months 24 days.

What is the zodiac sign of Callum B?

Zodiac sign of Callum B is Sagittarius.

A rising YouTube star and challenge video creator, Callum B managed to attract public attention with his fun, energetic content and relatable personality. He was born in 2008 in Northern Ireland and was raised by his supportive family, including his older brother, whom he often features in his videos. As a young boy, Callum started posting on YouTube sharing challenge videos, pranks, vlogs and entertainment clips, which resonated with audiences rapidly. One of his most viewed videos titled “Kid Spends 24 HOURS on SEGWAY ELECTRIC SHOES!! – Challenge (Hard)” helped to demonstrate his playful style and creativity.

He has also been featured on his family’s YouTube channel, Family 4, which includes vlogs, games and fun moments with his parents and brother. As of mid-2026, Callum B’s personal channel had amassed roughly 370,000 subscribers, a testament to his rising popularity with younger audiences who enjoy his challenge content and humour. In addition to YouTube, he’s also on Instagram as @callumbyt where he posts behind the scenes photos and updates on his life and creative projects.